Impact of sign on area definition change according to sign of function

Sign Convention

Sign Convension

What are signs of disease?

(i) If a + sign precedes a symbol of grouping the grouping symbol may be removed without any change in the sign of the terms.

Predict the sign of entropy change for each of the following changes of state.

If '+' sign is assigned to benefited interaction '-' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '-' refers to:

Insert the sign

The table below shows object and image distances for four objects placed in front of mirrors. For which one is the image formed by a convex spherical mirror? [Positive and negative signs are used in accordance with standard sign convention]